1. d4 d5 2. c4 e6 3. Nc3
The Queen’s Gambit Declined is Black’s classical answer to the Queen’s Gambit: 1. d4 d5 2. c4 e6. Instead of capturing the pawn like the Queen’s Gambit Accepted, Black declines it and reinforces d5 with the e-pawn, keeping a full share of the center at the cost of temporarily shutting in the c8-bishop. It is one of the most respected openings in chess — a cornerstone of classical play for over a century — and the structures it produces show up in every d-pawn opening you will ever face.
The defining position arises after 1. d4 d5 2. c4 e6: White offers the c-pawn to deflect Black’s d-pawn, and Black calmly says no. From there White develops with 3. Nc3 (the move order this course follows) or 3. Nf3, and the opening branches on Black’s reply: 3... Nf6 heads for the main lines and lets White choose the Exchange Variation with 4. cxd5; 3... c6 builds the Triangle setup, which White can challenge immediately with 4. e4; 3... c5 is the Tarrasch Defense; 3... Bb4 pins the knight Nimzo-Indian style; and 3... dxc4 takes the pawn a move late, when 4. e4 gives White the full center. The same positions are also reached constantly by transposition from 1. Nf3 and 1. c4 move orders.
1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. cxd5 exd5 5. Bg5 Be7 6. e3 O-O 7. Bd3 c6 8. Qc2 h6 9. Bh4 Nbd7 10. Nge2 Re8 11. O-O
White releases the central tension on move four to fix the famous Carlsbad structure: White pawns on d4 and e3 against Black pawns on d5 and c6. That structure comes with two classic plans — the queenside minority attack with b4–b5, or central expansion with Nge2, f3 and e4, the plan this course favors. The g5-bishop pins Black’s knight first, so Black’s pieces are tied down while White prepares the break.
1. d4 d5 2. c4 e6 3. Nc3 c6 4. e4 dxe4 5. Nxe4 Bb4+ 6. Bd2 Qxd4 7. Bxb4 Qxe4+ 8. Be2
When Black builds the c6–d5–e6 Triangle aiming for a Semi-Slav, 4. e4 strikes before the setup is finished. After 4... dxe4 5. Nxe4 Bb4+ 6. Bd2 Black’s most critical try is grabbing the d4-pawn, but 7. Bxb4 Qxe4+ 8. Be2 leaves White with the bishop pair and a huge lead in development for one pawn. Black’s queen has moved twice — and keeps moving — while White is ready to castle — the initiative is worth the material.
1. d4 d5 2. c4 e6 3. Nc3 c5 4. cxd5 exd5 5. Nf3 Nc6 6. dxc5 d4 7. Na4 Bxc5 8. Nxc5 Qa5+ 9. Bd2 Qxc5 10. Rc1
With 3... c5 Black solves the bad-bishop problem instantly, accepting structural risk for free piece play. White exchanges on d5 and then takes on c5, forcing Black to choose between an isolated d-pawn and the pawn lunge 6... d4. Against the lunge, 7. Na4 followed by trading on c5 and 10. Rc1 develops with tempo against Black’s queen and starts a long campaign against the overextended d4-pawn.
1. d4 d5 2. c4 e6 3. Nc3 Bb4 4. e3 Nf6 5. a3 Bxc3+ 6. bxc3 O-O 7. cxd5 exd5 8. Bd3 c5 9. Ne2 Nc6 10. O-O
Black pins the knight Nimzo-Indian style, threatening to double White’s pawns. White answers solidly with 4. e3 and puts the question immediately with 5. a3: after the bishop takes on c3, White owns the bishop pair and a broad pawn mass. The follow-up is simple — exchange on d5, develop the bishop to d3 and the knight to e2 (keeping the f-pawn free), castle, and use the bishops in the middlegame. Black must also stay alert tactically: careless knight raids on c3 can run into Bxh7+ on the other wing.
1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 c5 7. Nf3 cxd4 8. cxd4 Bb4+ 9. Bd2 Bxd2+ 10. Qxd2 O-O 11. Bc4
Recapturing with the knight avoids the Carlsbad structure but hands White the ideal center: 5. e4 hits the knight, and after the trades White’s pawns stand proudly on d4 and e4. Black exchanges pieces to ease the cramp, but White develops fast with Bc4, castles, and puts rooks behind the central pawns. The long-term plan is the d4–d5 break or a direct attack powered by the space advantage.
This course teaches the White side, so here is the honest picture of how Black makes the Queen’s Gambit Declined work. The classical recipe is the Orthodox setup: ...Nf6, ...Be7, ...O-O and ...Nbd7 with ...c6 or ...h6 as needed — a wall that concedes some space but no targets. The wall alone is not a plan, though: Black must free the position before White’s space tells. The two thematic breaks are ...dxc4 followed by ...c5 (or ...e5), opening lines exactly when White must spend a tempo recapturing, and Lasker’s simplifying idea ...Ne4, trading two sets of minor pieces to defuse the Bg5 pin — both appear constantly in master play and in this course’s lines. Tartakower’s ...b6 and ...Bb7 is the other great solution to the c8-bishop, giving it a future on the long diagonal. In the Exchange Variation, Black should meet the minority attack with ...Re8, a knight route to d6 or e4, and kingside counterplay rather than passive defense; against White’s f3-and-e4 central plan, a well-timed ...c5 strike at d4 is the standard answer. Whatever the system, the rule is the same: complete development first, then play a freeing break before move fifteen — the QGD punishes White’s overextension, but only if Black refuses to sit still.
Develop with purpose: Nc3, the Bg5 pin, e3, Bd3 and Qc2 cover almost every Black setup. Against the main line, take on d5 and play the Carlsbad structure — minority attack with b4–b5, or the Nge2, f3 and e4 central plan. Against ...c6 Triangle setups, strike with e4 before Black is coordinated, and meet the Tarrasch’s ...c5 with concrete exchanges. Your trumps are space, the bishop pair after ...Bxc3 lines, and a clear target on Black’s queenside.
Build the Orthodox wall — ...Nf6, ...Be7, ...O-O, ...Nbd7 — then free your game before White’s space advantage grows: ...dxc4 with ...c5, the ...Ne4 simplification, or Tartakower’s ...b6 and ...Bb7 to activate the problem bishop. In the Exchange Variation, fight the minority attack with piece activity and a kingside initiative. Trade a pair of minor pieces when cramped, and never leave the c8-bishop without a plan.
The Queen’s Gambit Declined is one of the oldest recorded openings and became the gold standard of solid play in the classical era — for generations, serious chess at the highest level practically ran through it. It has been a battleground of World Championship matches throughout history; the Capablanca–Alekhine match of 1927 featured it heavily, and world champions have kept it in their repertoires with both colors ever since. Its variations carry the names of the players who shaped them: Siegbert Tarrasch’s defense with 3... c5, Frank Marshall’s gambit against the Triangle setup, and the freeing systems associated with Lasker and Tartakower. A century on, it remains a regular guest in elite events — proof that the opening’s central logic has never gone out of date.
OK Mrs. Harmon, let's learn the Queen's Gambit (Declined). We start with, of course, the queen's pawn to d4.
Here we can initiate the Queen's Gambit with pawn to c4. Black has to make a tough choice here - either take our free pawn (which isn't actually free!), or try to hold onto the center.
In this course we'll cover what happens when Black DOESN'T take our pawn. This is actually the most common way Black will play against us. When they decline our gambit, we move our knight to c3, adding more pressure on the center..
The best move is to open our light-square bishop with pawn to e3.
We have now transposed into another opening called the nimzo-indian. That opening deserves its own full course (which i will be making) but for now I won't leave you hungry and I'll throw you 1 line for it. Let's play pawn to a3.
Let's take back with pawn to c3.
Let's play pawn takes d5 here.
Let's develop our bishop to d3.
This is a huge mistake from black. It looked like a free pawn but now we have queen to c2, forking the knight and the h7 pawn.
Bishop takes h7. Bam.
Now our bishop can come home to d3.
Great. We are simply winning here.
Black has played the Tarrasch Defense. From here, we should take the pawn on d5 first. c4 pawn takes d5.
Let's continue our development with knight to f3.
Now is a good time to take with pawn to c5.
Black forgot we have two attackers on the d5 pawn. Queen takes on d5.
And knight takes queen on d5.
Well done! We are up a pawn and life is good.
Let's have some fun: pawn to e4. This is called the Marshall Gambit
This is a mistake from black! Let's play c-pawn captures on d5.
Now we see why it was a mistake from black. We can push pawn to e5 here, booting the knight.
Let's wrap up with queen to g4, stopping the enemy dark-square bishop from being able to develop.
Well done! The computer is absolutely in love with our position here. We'll develop our knight, bishop, and castle kingside soon.
And now let's relieve some of the pressure in the center with pawn takes on d5.
Let's pin Black's knight with bishop to g5.
We need to stabilize our center and prepare for more development. Pawn to e3.
Let's develop our bishop to d3.
Blunder! Black didn't defend their d5 pawn or reinforce their f6 knight, which means we are going to get a winning position. First, bishop takes knight on f6.
Now the killer queen to h5, threatening mate on h1 and to take the pawn on d5.
Now we get our pawn! Queen to d5.
Well done! We are up a pawn and have a better position. Life is good.
This is Black's most common response. Let's build a battery with queen to c2.
Let's back our bishop up to h4.
Let's continue with our development plan: knight to e2.
Let's castle our king king-side.
Our bishop is now hanging! Before we mess with Black's knight, let's capture with bishop to e7.
One last thing before we mess with Black's knight - let's bring our a-rook over to e1.
Finally, we have done all the preparation and we can play pawn to f3, kicking the knight.
Retreating was a mistake from black! Now we finally get our e-pawn push. Pawn to e4.
Let's capture back with pawn to e4.
Well done! We are threatening a fork on the next move with pawn to e5, and even though the material is equal, the computer thinks we are 2 point ahead.
Not in the usual sense. If Black takes the pawn with 2... dxc4, White regains it in nearly all lines with normal play, so no material is truly sacrificed. In the Queen’s Gambit Declined, Black never takes the pawn at all — the name describes the offer, not an actual pawn sacrifice.
After 1. d4 d5 2. c4, the Accepted takes the pawn with 2... dxc4, giving up the center for open piece play. The Declined keeps the d5 strongpoint with 2... e6, accepting a temporarily passive light-squared bishop in exchange for a rock-solid central foothold.
Yes, for both colors. It follows classical principles directly — fight for the center, develop, castle — and the structures it teaches (the Carlsbad, isolated d-pawn positions, hanging pawns) appear in countless other openings, so the study time keeps paying off.
The Exchange Variation (1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. cxd5) is the most popular practical choice: White fixes the structure early and follows clear plans — the queenside minority attack or central expansion with f3 and e4. The Chessreps course builds a complete White repertoire around 3. Nc3, including answers to the Tarrasch, the Triangle and 3... Bb4.
It is solid, not drawish. The Exchange Variation creates a long-term structural fight where White attacks on one wing and Black on the other, and gambit lines like the Marshall Gambit against 3... c6 are outright sharp. Quiet positions only arise when both sides choose them.
Reading about an opening is step one. The trainer at the top of this page drills all 20 lines against the moves real opponents play — the first lines are free.
Train the Queen’s Gambit Declined now